Home / 55,116.80-82,675.20-32,998.40

Finding the Fourth Proportional to 55,116.80, 82,675.20 and 32,998.40

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Solution

The fourth proportional to 55,116.80, 82,675.20 and 32,998.40 is: 49,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,116.80 : 82,675.20 = 32,998.40 : x
  2. Step 2: Convert to fraction form
    55,116.80/82,675.20 = 32,998.40/x
  3. Step 3: Cross multiply
    55,116.80x = 82,675.20 × 32,998.40
  4. Step 4: Simplify right side
    55,116.80x = 2,728,149,319.68
  5. Step 5: Solve for x
    x = 2,728,149,319.68/55,116.80
  6. Step 6: Final answer
    x = 49,497.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.